difference between 'Had' & 'Has'??? Give some examples... i think,,, both of the words are use in past tense, but 'has' also use in present tense....??? following sentences are right, if i use them in past tense? 1. my father had a cow. 2. my father has a cow. please help... i will be very happy. thanks...

what/which is right? a) what happen? b)what happens? c)what was happened? d)what happened? why????

difference between.... can/could will/would shall/should Give some examples...

when will i use 'shall' or 'will'? why? pls write at least two examples,,,, uses of shall/will... I shall..... I will..... why???? THANKS in advance...

When will i use 'have' & 'has'? why? give two examples about this and explain... please... thanks.

i need some English Grammar Books with PDF file. can u help me by give a link?

Generally how many words should i know to speak in English?

which one is correct and why? 1. I want my life back // OR // 2. I wants my life back...

Is this Right? If i say,,, "Happy Birthday 2015... It born only for one year... so take it in your dream. it can be change your life...." Right 0R Wrong??? pls....